2026 midterm forecast

Colorado House

All 8 House seats

Forecast published October 30, 2026 · Election Day is November 3, 2026

Foresight forecast

Expected seats

6 D · 2 R

of 8

Seats today

4 D · 4 R

Statewide House vote

D+21.4

>99% D · ±12 points, 95% range

Democrats 61%Republicans 39%

Statewide two-party House vote · 11% of likely voters undecided

Key insights

Colorado's evenly split House delegation could tilt to Democrats

Each party holds four of Colorado's eight seats today. Democrats are expected to win six, taking CO-03 and CO-08 from Republicans. The closest district is CO-05, where Republicans lead by 1.2 points, and CO-03 is nearly as tight, at 2.1 for Democrats.

Voters who sat out 2024 are largely undecided, at 67%. Among age groups, Democrats are weakest with voters 45 to 64, who favor them by 7.6 points, far less than the 35.9 among those 65 and older.

The race

Colorado elects 8 members of the U.S. House. Today's delegation: 4 Democrats and 4 Republicans.

District by district

Foresight's forecast for each district, as drawn for 2026.

DistrictCandidatesHeld byMarginChanceRating
CO-01Melat Kiros (D) vs. Christy Peterson (R)DD+65.9>99% DSafe D
CO-02Joe Neguse (D) vs. Kelley Dennison (R)DD+50.5>99% DSafe D
CO-03Dwayne Romero (D) vs. Jeff Hurd (R)RD+2.160% DToss-upFlip
CO-04Eileen Laubacher (D) vs. Lauren Boebert (R)RR+9.988% RLikely R
CO-05Jessica Killin (D) vs. Jeff Crank (R)RR+1.256% RToss-up
CO-06Jason Crow (D) vs. Jason Ray Clark (R)DD+31.8>99% DSafe D
CO-07Brittany Pettersen (D) vs. Timothy Bennett (R)DD+24.9>99% DSafe D
CO-08Manny Rutinel (D) vs. Gabe Evans (R)RD+8.183% DLikely DFlip

Vote by group

Own vote of likely voters in each group, two-party margin.DemocratsRepublicans

Age

18–29
D+29.3
30–44
D+31.2
45–64
D+7.6
65+
D+35.9

Gender

Women
D+30.8
Men
D+17.2

Education

College grad
D+44.2
No degree
D+4.3

Area

Urban
D+29.9
Suburban
D+28.5
Rural
R+1.4

By county

Foresight's margin in each county.

D+30+
D+15–30
D+4–15
Within 4
R+4–15
R+15–30
R+30+

County margins in points. Faded: fewer than 5 respondents. Blank: no respondents.

How this forecast is made: read the method.